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rmi connection refused if not 1099

YungSheng Chang
Ranch Hand

Joined: Jul 28, 2003
Posts: 44
I believe somebody else meets this too, but I couldn't find related post.
To start rmi server programatically, I use LocateRegistry.createRegistry(portNum);
my code:
Hello h = new Hello("Steve");
Everything works successfully for 1099(including client calling the method), however, if the port is not 1099, let's say 1098, the following exception occures at Naming.rebind.
I am using java version 1.4.2_01. Thank you for the advice!!
Exception in thread "main" java.rmi.ConnectException: Connection refused to hos
:; nested exception is: Connection refused: connect
at sun.rmi.transport.tcp.TCPEndpoint.newSocket(Unknown Source)
at sun.rmi.transport.tcp.TCPChannel.createConnection(Unknown Source)
at sun.rmi.transport.tcp.TCPChannel.newConnection(Unknown Source)
at sun.rmi.server.UnicastRef.newCall(Unknown Source)
at sun.rmi.registry.RegistryImpl_Stub.rebind(Unknown Source)
at java.rmi.Naming.rebind(Unknown Source)
at Test.main(
Caused by: Connection refused: connect
at Method)
at Source)
at Source)
at Source)
at Source)
at Source)
at<init>(Unknown Source)
at<init>(Unknown Source)
at sun.rmi.transport.proxy.RMIDirectSocketFactory.createSocket(Unknown
at sun.rmi.transport.proxy.RMIMasterSocketFactory.createSocket(Unknown
... 7 more

I play Java for fun.<br /> <br />SCJP / SCJD / SCWCD / SCBCD
Ken Krebs
Ranch Hand

Joined: Nov 27, 2002
Posts: 451
The code you show creates a new registry but uses the default registry, not the new one.
After creating the registry, you have to get a reference to it and then use it to perform the binding as in the following example:

kktec<br />SCJP, SCWCD, SCJD<br />"What we observe is not nature itself, but nature exposed to our method of questioning." - Werner Heisenberg
Jim Yingst

Joined: Jan 30, 2000
Posts: 18671
The createRegistry() method does have a return value, for precisely this purpose:

"I'm not back." - Bill Harding, Twister
YungSheng Chang
Ranch Hand

Joined: Jul 28, 2003
Posts: 44
Yes, it works, thank you all.
In fact, we were taught to use network socket to write project in school. That may be quite different from you guys. Well I have to say RMI is more straightforward though.
Yap, if you ever implement the "network whiteboard" project, we may go to the same school.
I agree. Here's the link:
subject: rmi connection refused if not 1099
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